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Articles by B. Chellaprabha
Total Records ( 2 ) for B. Chellaprabha
  B. Chellaprabha and RMD. Sundaram
  The Datagram Congestion Control Protocol (DCCP) is a message-oriented transport layer protocol. Multimedia applications including streaming audio, internet telephony and video conferencing has to reach the end user on time and hence prefers timeliness in packet delivery as compared to reliability. Packet retransmission or packet control as provided by Transmission Control Protocol (TCP) is not going to be of much use in these kinds of applications. Hence DCCP is introduced which has better results in terms of performance as compared to other mechanisms. The algorithm is little faulty and hence in this study we have tried to address the limitations of DCCP through modified reset algorithms and also provide a mechanism to verify the content quality at the receiving end especially video without using any reference mechanisms.
  S. Karthik , N. Gugha Priya , T. Maragatham , B. Chellaprabha and M. Marikannan
  The goal of steganography is to avoid drawing suspicion to the transmission of a hidden message. If suspicion is raised, steganography may fail. The success of steganography depends on the secrecy of the action. If steganography is detected, the system will fail but data security depends on the robustness of the applied algorithm. In this study, the secret message are compress and encrypt it by the receiver’s public key along with the stego key and embed both messages in a carrier using an embedding algorithm. The stego-image is the result we get by running the algorithm you select on the message (file to hide) and cover (image). It can be saved into BMP or PNG format. The reason that it can only be saved in these formats is because they are lossless, there is no information lost as part of the file formatting.
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